Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Stĕphănĭum, ii, f. dim. of Stephane, a character in the Stichus of Plautus, Plaut. Stich. 5, 4, 54 al.
Called also, Stĕphă-niscĭdĭum, ii, f., Plaut. Stich. 5, 4, 57.